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/*
** Copyright (c) 2012 The Khronos Group Inc.
**
** Permission is hereby granted, free of charge, to any person obtaining a
** copy of this software and/or associated documentation files (the
** "Materials"), to deal in the Materials without restriction, including
** without limitation the rights to use, copy, modify, merge, publish,
** distribute, sublicense, and/or sell copies of the Materials, and to
** permit persons to whom the Materials are furnished to do so, subject to
** the following conditions:
**
** The above copyright notice and this permission notice shall be included
** in all copies or substantial portions of the Materials.
**
** THE MATERIALS ARE PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
** EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
** MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
** IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
** CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
** TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
** MATERIALS OR THE USE OR OTHER DEALINGS IN THE MATERIALS.
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Tests.startUnit = function () {
    var canvas = document.getElementById('gl');
    var gl = wrapGLContext(getGLContext(canvas));
    return [gl];
}

Tests.setup = function(gl) {
    var tex = gl.createTexture();
    gl.bindTexture(gl.TEXTURE_2D, tex);
    return [gl]
}

Tests.teardown = function(gl,tex) {
    gl.bindTexture(gl.TEXTURE_2D, null);
    gl.deleteTexture(tex);
}

Tests.testTexImage2D = function(gl) {
    var data = new Uint8Array(4);
    assertGLError(gl, gl.INVALID_OPERATION, "not enough data", function(){
        gl.texImage2D(gl.TEXTURE_2D, 0, gl.RGBA, 2,1,0,gl.RGBA,gl.UNSIGNED_BYTE, data);
    });
    assertGLError(gl, gl.INVALID_OPERATION, "not enough data", function(){
        gl.texImage2D(gl.TEXTURE_2D, 0, gl.RGBA, 1,2,0,gl.RGBA,gl.UNSIGNED_BYTE, data);
    });
    assertGLError(gl, gl.INVALID_ENUM, "bad target", function(){
        gl.texImage2D(gl.FLOAT, 0, gl.RGBA, 1,1,0,gl.RGBA,gl.UNSIGNED_BYTE, null);
    });
    assertGLErrorIn(gl, [gl.INVALID_ENUM, gl.INVALID_VALUE], "bad internal format/format", function(){
        gl.texImage2D(gl.TEXTURE_2D, 0, gl.FLOAT, 1,1,0,gl.FLOAT,gl.UNSIGNED_BYTE, null);
    });
    assertGLError(gl, gl.INVALID_VALUE, "border > 0", function(){
        gl.texImage2D(gl.TEXTURE_2D, 0, gl.RGBA, 1,1,48,gl.RGBA,gl.UNSIGNED_BYTE, null);
    });
    // The spec says zero size is OK. If you disagree please list the section
    // in the spec that details this issue.
    assertOk("zero size", function(){
        gl.texImage2D(gl.TEXTURE_2D, 0, gl.RGBA, 0,0,0,gl.RGBA,gl.UNSIGNED_BYTE, null);
    });
    assertGLError(gl, gl.INVALID_VALUE, "negative width", function(){
        gl.texImage2D(gl.TEXTURE_2D, 0, gl.RGBA, -1,1,0,gl.RGBA,gl.UNSIGNED_BYTE, null);
    });
    assertGLError(gl, gl.INVALID_VALUE, "negative height", function(){
        gl.texImage2D(gl.TEXTURE_2D, 0, gl.RGBA, 1,-1,0,gl.RGBA,gl.UNSIGNED_BYTE, null);
    });
    assertGLError(gl, gl.INVALID_ENUM, "bad format", function(){
        gl.texImage2D(gl.TEXTURE_2D, 0, gl.RGBA, 1,1,0,gl.FLOAT,gl.UNSIGNED_BYTE, null);
    });
    assertGLError(gl, gl.INVALID_ENUM, "bad type", function(){
        gl.texImage2D(gl.TEXTURE_2D, 0, gl.RGBA, 1,1,0,gl.RGBA,gl.TEXTURE_2D, null);
    });
    assertGLError(gl, gl.INVALID_OPERATION, "not enough data", function(){
        gl.texImage2D(gl.TEXTURE_2D, 0, gl.RGBA, 1,1,0,gl.RGBA,gl.UNSIGNED_BYTE, new Uint8Array(3));
    });
    assertGLError(gl, gl.INVALID_OPERATION, "format and type incompatible",function(){
        gl.texImage2D(gl.TEXTURE_2D, 0, gl.RGBA, 1,1,0,gl.RGBA,gl.UNSIGNED_SHORT_5_6_5, null);
    });
    assertGLError(gl, gl.INVALID_OPERATION, "format and type incompatible",function(){
        gl.texImage2D(gl.TEXTURE_2D, 0, gl.RGB, 1,1,0,gl.RGB,gl.UNSIGNED_SHORT_4_4_4_4, null);
    });
}


Tests.endUnit = function(gl) {
}

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<canvas id="gl" width="16" height="16"></canvas>
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